Description
A worn or damaged top end directly cuts into power output and reliability—rebuilding with quality components restores your engine’s original performance envelope. The WSM Top End Kit delivers everything needed for a complete piston assembly refresh, eliminating guesswork and the risk of mixing incompatible parts. This comprehensive kit keeps your 4-stroke Honda running at peak efficiency without the downtime of sourcing individual components separately.
What’s Included:
- Pistons (matched set)
- Compression rings
- Wrist pins
- Retaining clips
- Needle roller bearings
- Cylinder head gasket
- Base gasket
- Intake gasket
- Exhaust gasket
- Oil filter
Specifications:
- Piston oversized: 1mm
- Fitment: Honda specific
- Engine type: 4-stroke
- Manufacturer Part Number: 54-226-14
- Installation: Professional recommended
- Material: High-performance alloy
- Complete top-end solution: Yes








